Question

Which relation is a function?

A.
(0, –45), (–45, –13), (18, –45)

B.
(33, –11), (23, 18), (23, –9)

C.
(8, 48), (8, 55), (9, 60)

D.
(–13, 30), (30, 19), (–13, 39)


i picked D @esshotwired

Answer 1

d

Answer 2

r u shure?

Answer 3

It's not D. Look and see which one has no repeating x-values at all

Answer 4

right! you cannot have the same x value twice

Answer 5

B?

Answer 6

or it would look like this

Answer 7

its A

Answer 8

Nope that one has 23 used twice. try again

Answer 9

o :o

Answer 10

YUP ITS A :O